| impulse control disorder | A class of mental disorder's characterised by an individual's failure to resist an impulse to perform some act harmful to himself or to others; includes pathological gambling, pedophilia, kleptomania, pyromania, trichotillomania, intermittent and isolated explosive disorder's. (05 Mar 2000) |
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| impulse control disorders | Disorders whose essential features are the failure to resist an impulse, drive, or temptation to perform an act that is harmful to the individual or to others. Individuals experience an increased sense of tension prior to the act and pleasure, gratification or release of tension at the time of committing the act. (12 Dec 1998) |
| apex impulse | Conventionally the lowermost, leftmost area of cardiac pulsation that is usually palpable. (05 Mar 2000) |
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| cardiac impulse | Movement of the chest wall produced by cardiac contraction. (05 Mar 2000) |
| morbid impulse | An impulse that drives one to commit some act, usually of a deviant or forbidden nature, notwithstanding efforts to restrain oneself. (05 Mar 2000) |
| point of maximal impulse | The point on the chest wall at which the maximal cardiac impulse is seen and/or felt. (05 Mar 2000) |
| nerve impulse | An action potential. (18 Nov 1997) |
| impulse | 1. The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately. "All spontaneous animal motion is performed by mechanical impulse." (S. Clarke) 2. The effect of an impelling force; motion produced by a sudden or momentary force. 3. <mechanics> The action of a force during a very small interval of time; the effect of such action; as, the impulse of a sudden blow upon a hard elastic body. 4. A mental force which simply and directly urges to action; hasty inclination; sudden motive; momentary or transient influence of appetite or passion; propension; incitement; as, a man of good impulses; passion often gives a violent impulse to the will. "These were my natural impulses for the undertaking." (Dryden) Synonym: Force, incentive, influence, motive, feeling, incitement, instigation. Origin: L. Impulsus, fr. Impellere. See Impel. Source: Websters Dictionary (01 Mar 1998) |
| irresistible impulse | A compulsion to act such that one feels or claims it cannot be resisted. (05 Mar 2000) |
| ectopic impulse | An electrical impulse from an area of the heart other than the sinus node. (05 Mar 2000) |
| escape impulse | One or more impulse's (atrial, junctional, or ventricular) arising as a result of delay in the formation or arrival of impulses from the prevailing pacemaker. (05 Mar 2000) |
| acceptor control | <biochemistry> The regulation of the respiration rate, governed by ADP's ability to be a phosphate group acceptor. (06 May 1997) |
| anticipatory control | <physiology> The regulation of a system or process based on anticipated events, this isa feed-forward rather than a feedback system. (09 Oct 1997) |
| assist-control ventilation | Artificial respiration in which inspiration is produced automatically after a set interval if the person has not already begun to inspire. Compare: assisted ventilation, controlled ventilation. (05 Mar 2000) |
| autogenous control | <molecular biology> Regulation of how much a gene gets transcribed by the gene's own products. (02 Jan 1998) |
| aversive control | <psychology> Control of the behaviour of another individual by use of psychologically noxious means; e.g., attempting to force better study habits by withholding a child's allowance, or withholding sexual contact unless the partner complies with a request. (05 Mar 2000) |
| biological control | <agriculture> The agricultural use of living things, such as parasites, diseases, and predators, to control or eliminate others, such as weeds and pests, rather than by using chemicals (herbicides and pesticides). (21 Mar 1998) |